Coffee maker



FIG. 1 is a front elevational view of a coffee maker, showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a three-quarter perspective view from the left side thereof.

The bottom plan view is plain and unornamented. 

The ornamental design for a coffee maker, as shown and described. 